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    • 1. 发明专利
    • Motor controller
    • 电机控制器
    • JP2013187936A
    • 2013-09-19
    • JP2012049053
    • 2012-03-06
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所Toyota Motor Corpトヨタ自動車株式会社
    • OTANI HIROKIYAMADA KATASHIGE
    • H02P27/06
    • PROBLEM TO BE SOLVED: To detect motor current accurately in synchronous PWM control.SOLUTION: An inverter 20 for supplying power to a motor 10 is subjected to switching control by a PWM signal. A PWM signal generation unit 16 generates a PWM signal synchronized with a voltage command, based on a voltage command from a voltage command generation unit 13, and the number of pulses from a pulse generation unit 18. A sampler 24 samples and holds a current detection value of a motor current, detected by a current sensor 22 and supplied to a motor, at an angular interval determined by dividing 60° by an integer of 8 or more with reference to the phase angle 0° of the motor current. The current detection value thus sampled and held is subjected to three-phase/dq axis conversion, before being subjected to moving average in a moving average unit 28.
    • 要解决的问题:在同步PWM控制中精确检测电动机电流。解决方案:用于向电动机10供电的逆变器20通过PWM信号进行开关控制。 PWM信号生成单元16基于来自电压指令生成单元13的电压指令和来自脉冲发生单元18的脉冲数,生成与电压指令同步的PWM信号。采样器24采样并保持电流检测 参考电动机电流的相位角0°以电流传感器22检测并提供给电动机的电动机电流值以通过将60°除以8或更大的整数确定的角度间隔。 在移动平均单元28中进行移动平均之前,由此采样和保持的电流检测值进行三相/ dq轴转换。
    • 2. 发明专利
    • Dc-dc converter system
    • DC-DC转换器系统
    • JP2011167011A
    • 2011-08-25
    • JP2010029112
    • 2010-02-12
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • OTANI HIROKIYAMADA KATASHIGE
    • H02M3/155
    • PROBLEM TO BE SOLVED: To follow the fluctuation of a load power in a DC-DC converter system. SOLUTION: A rotary electric-machine driving system 10 is configured by including: an inverter device 14 connected to a rotary electric machine 12; an electric storage device 16; a DC-DC converter main unit 20 mounted between the electric storage device 16 and the inverter device 14; and a DC-DC converter controller 40. A divider 68 of the DC-DC converter controller 40 uses a load power value P and V L as the input voltage of the DC-DC converter body 20 as inputs and computes P/V L =I B . I B is input to a differentiator 70 and dI B /dt is computed. An inductance value L and an output-voltage command value V H * are input to the divider 72 and L/V H * is computed. A multiplier 74 computes (L/V H * )×(dI B /dt)=duty3 while using L/V H * and dI B /dt as inputs. A steady-state duty factor duty2 is corrected by the duty3. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:遵循DC-DC转换器系统中的负载功率的波动。 旋转电机驱动系统10构成为包括:与旋转电机12连接的逆变器装置14; 蓄电装置16; 安装在蓄电装置16与逆变器装置14之间的DC-DC转换器主单元20; 和DC-DC转换器控制器40.DC-DC转换器控制器40的分压器68使用负载功率值P和V SB> L 作为DC-DC转换器主体20的输入电压作为输入 并计算P / V L = I B 。 I B 输入到微分器70,并且计算B i / dt。 电感值L和输出电压指令值V * 被输入到分频器72和L / V * 被计算。 乘法器74使用L / V H计算(L / V H * )×(dI B / dt) * 和dI B / dt作为输入。 一个稳态占空因数duty2由duty3修正。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Controller of ac motor
    • 交流电机控制器
    • JP2010119245A
    • 2010-05-27
    • JP2008291668
    • 2008-11-14
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • OTANI HIROKIHANADA HIDETOYAMADA KATASHIGE
    • H02P21/00H02P27/04
    • PROBLEM TO BE SOLVED: To provide a device which suppresses deterioration in current response even when a torque command value (current command value) changes sharply, and ensures stable and high current response even in an excess modulation area. SOLUTION: A noninterference controller 22 calculates a d-axis interference component vd_i and a q-axis interference component vq_i using current command values Id * and Iq * , a d-axis inductance Ld, a q-axis inductance Lq, and an angular velocity ω of a motor 36. A noninterference error corrector 18 calculates an error of a mutual interference component in accordance with deviation between the d-axis current command values Id * and a d-axis current value Id, deviation between a q-axis current command value Iq * and a q-axis current value Iq, the d-axis inductance Ld, the q-axis inductance Lq, and the angular velocity ω to correct the mutual interference component. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:即使在转矩指令值(电流指令值)急剧变化的情况下,即使在过量的调制区域中也能够确保稳定且高的电流响应,能够提供抑制电流响应劣化的装置。 解决方案:非干扰控制器22使用当前命令值Id * 和Iq * 计算d轴干扰分量vd_i和q轴干扰分量vq_i,a d轴电感Ld,q轴电感Lq和电动机36的角速度ω。非干扰误差校正器18根据d轴电流指令值Id <0的偏差来计算相互干扰成分的误差, d轴电流值Id,q轴电流指令值Iq * 和q轴电流值Iq之间的偏差,d轴电感值Ld, q轴电感Lq和角速度ω以校正相互干扰分量。 版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Drive controller of ac motor
    • 交流电机驱动控制器
    • JP2008312420A
    • 2008-12-25
    • JP2007160725
    • 2007-06-18
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • OTANI HIROKIHANADA HIDETOYAMADA KATASHIGENAKAMURA MAKOTO
    • H02P6/08H02M7/48H02P21/00H02P27/04
    • H02M7/53875H02M7/5395H02M2001/0025H02P21/06H02P27/085
    • PROBLEM TO BE SOLVED: To stably control a basic-wave amplitude in a pulse-width modulating voltage applied to an AC motor in accordance with a phase-voltage commanding amplitude in overmodulated PWM control. SOLUTION: A current controller 20 calculates a d-axis voltage command vd B and a q-axis voltage command vq B with their voltage amplitudes exceeding the peak value of a triangle carrier. A voltage-amplitude linear compensator 22 corrects the d-axis voltage command vd B and the q-axis voltage command vq B according to a synchronizing number K equivalent to the number of triangle carriers per one period of a phase-voltage command, so as to shape the basic-wave amplitude of the pulse-width modulating voltage applied to an AC motor 300 in accordance with a voltage commanding amplitude. The dq-axes/three-phase converter 24 converts the corrected d-axis voltage command vd and the q-axis voltage command vq to three-phase voltage commands vu, vv, vw. A PWM generator 26 generates a switching-command signal to an inverter 200 by comparing the three-phase voltage commands vu, vv, vw with the triangle carrier. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:根据过调制PWM控制中的相电压指令幅度,稳定地控制施加到AC电动机的脉宽调制电压中的基波幅度。 解决方案:电流控制器20计算d轴电压指令vd B 和q轴电压指令vq B ,其电压幅度超过 三角形载体。 电压幅度线性补偿器22根据等效于数字的同步数K来校正d轴电压指令vd B 和q轴电压指令vq B 三相载波每相周期的相电压指令,以便根据电压指令幅度对施加到交流电动机300的脉宽调制电压的基波幅值进行调整。 dq轴/三相变换器24将修正的d轴电压指令vd和q轴电压指令vq转换为三相电压指令vu,vv,vw。 PWM发生器26通过将三相电压指令vu,vv,vw与三角形载波进行比较来产生到逆变器200的开关指令信号。 版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • Voltage converter control system
    • 电压转换器控制系统
    • JP2010252591A
    • 2010-11-04
    • JP2009101618
    • 2009-04-20
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • OTANI HIROKIYAMADA KATASHIGE
    • H02P27/06H02M3/155H02P27/08
    • PROBLEM TO BE SOLVED: To quickly control an output voltage of a DC/DC converter to a proper value, in a voltage converter control system equipped with the DC/DC converter. SOLUTION: A duty ratio determination part 48 determines a basic duty ratio by feedback control and feed forward control based on the rotational speed measurement value of each motor generator, a torque command value to the motor generator, a converter output voltage measurement value Vm, and a battery voltage measurement value Vb. The duty ratio determination part 48 determines a duty ratio adjustment value based on the supply power to the motor generator. The duty ratio determination part 48 acquires a duty ratio D for controlling a DC/DC converter 14 by synthesizing the basic duty ratio with the duty ratio adjustment value. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:在配有DC / DC转换器的电压转换器控制系统中,要将DC / DC转换器的输出电压快速控制到适当的值。

      解决方案:占空比确定部分48基于每个电动发电机的转速测量值,对电动发电机的转矩指令值,转换器输出电压测量值,通过反馈控制和前馈控制来确定基本占空比 Vm和电池电压测量值Vb。 占空比确定部48基于对电动发电机的供给电力来确定占空比调整值。 占空比确定部48通过将基本占空比与占空比调整值合成来获取用于控制DC / DC转换器14的占空比D. 版权所有(C)2011,JPO&INPIT

    • 6. 发明专利
    • Dc-dc converter system
    • DC-DC转换器系统
    • JP2011091960A
    • 2011-05-06
    • JP2009244524
    • 2009-10-23
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • OTANI HIROKIYAMADA KATASHIGE
    • H02M3/155H02P27/06
    • PROBLEM TO BE SOLVED: To enable current control without using a current sensor in a DC-DC converter system. SOLUTION: A rotary electric machine driving system 10 includes an inverter apparatus 14 connected to a rotary electric machine 12, an energy storage apparatus 16, a DC-DC converter body 20 provided between the inverter apparatus 14 and the energy storage apparatus 16 and a DC-DC converter control part 40. An input voltage initial value V L0 is obtained at an input voltage initial value setting device 62 of the DC-DC converter control part 40, and an internal resistance value R B of the energy storage apparatus 16 is obtained by a battery resistance estimating device 64. Using these results and an input voltage detected value V L , (V L -V L0 ) is divided by the R B to calculate an estimated input current value I B at an input current estimating device 66. Using the calculated estimated input current value I B , a voltage feedback containing a miner loop of current control is performed to correct a duty. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:在DC-DC转换器系统中不使用电流传感器来实现电流控制。 解决方案:旋转电机驱动系统10包括连接到旋转电机12的逆变器装置14,能量存储装置16,设置在逆变器装置14和能量存储装置16之间的DC-DC转换器主体20 和DC-DC转换器控制部分40.在DC-DC转换器控制部分40的输入电压初始值设定装置62处获得输入电压初始值V L0 ,并且内部电阻值 通过电池电阻估计装置64获得能量存储装置16的R SB SB B。使用这些结果和输入电压检测值V SB> L ,(V SB> L -V L0 )除以R SB SB以在输入电流估计装置上计算估计输入电流值I SB SB 使用计算出的估计输入电流值I SB SBB,执行包含电流控制的采矿回路的电压反馈以校正占空比。 版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • Motor controller
    • 电机控制器
    • JP2010051129A
    • 2010-03-04
    • JP2008214621
    • 2008-08-22
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • OTANI HIROKIHANADA HIDETOYAMADA KATASHIGE
    • H02M7/48H02P21/00H02P27/04H02P27/08
    • PROBLEM TO BE SOLVED: To carry out proper switching of the number of synchronization in a synchronous PWM. SOLUTION: A synchronous PWM determiner 46 determines the number of synchronization in synchronous PWM control. A synchronous PWM phase controlling unit 48 determines the frequency of a triangular wave carrier in accordance with the number of synchronization, and determines the timing of switching the number of synchronization. A PWM control unit 40 carries out synchronous PWM control in synchronizing a phase of the triangular wave carrier with a phase of a voltage instruction. Particularly, the PWM control unit 40 detects a phase of the voltage instruction at a point that the triangular wave carrier is at a given phase, and upon carrying out synchronization switching from an asynchronous state to a synchronous state or switching the number of synchronization, a switching condition is assumed that a difference between voltage instruction phases corresponding to a given phase of the triangular wave carrier before and after synchronization switching is within a prescribed range. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:在同步PWM中进行同步数的正确切换。 解决方案:同步PWM确定器46确定同步PWM控制中的同步数。 同步PWM相位控制单元48根据同步数确定三角波载波的频率,并确定切换同步数的定时。 PWM控制单元40在使三角波载波的相位与电压指令的相位同步的同时进行PWM控制。 特别地,PWM控制单元40在三角波载波处于给定相位的位置检测电压指令的相位,并且在执行从异步状态到同步状态的同步切换或切换同步数时, 假设切换条件是与同步切换前后的三角波载波的给定相位对应的电压指令阶段之间的差在规定范围内。 版权所有(C)2010,JPO&INPIT
    • 8. 发明专利
    • 中性点クランプ式電力変換システム
    • 中性点钳型电力转换系统
    • JP2015006055A
    • 2015-01-08
    • JP2013129558
    • 2013-06-20
    • 株式会社豊田中央研究所Toyota Central R&D Labs Incトヨタ自動車株式会社Toyota Motor Corp
    • OTANI HIROKIYAMADA KATASHIGE
    • H02M7/487H02M7/48
    • 【課題】中性点クランプ式電力変換システムにおいて、簡単な構成によって、より広い適用範囲で、より迅速に、中性点電圧変動を抑制することである。【解決手段】中性点クランプ式電力変換システム10は、中性点用コンデンサ部16を含む電力変換装置12と制御装置40とを備える。制御装置40は、中性点電圧について、これを上昇させる必要があるモードU、下降させる必要があるモードD、そのまま維持するモードNの3つのモードのいずれに該当するかを判定する。モード状態判定部48と、モータジェネレータ20が力行状態にあるか回生状態にあるかを判定する力行回生判定部50と、モードUまたはモードDである場合には、零相電圧指令値を三相電圧指令値のそれぞれに加算し、モードNである場合には、三相電圧指令値をそのままとする制御を行う中性点電圧制御部52を含む。【選択図】図1
    • 要解决的问题:在中性点钳式电力变换系统的简单结构中,能够在更宽的应用范围内更快速地抑制中性点电压波动。解决方案:中性点钳型电力变换系统10包括电力转换装置12,电力转换装置12包括 中性点电容器部分16和控制装置40.控制装置40包括模式状态确定部分48,电力运行/再生确定部分50和中性点电压控制部分52.模式状态确定部分48确定任何 模式U,模式D和中性点电压对应的模式N的三种模式之一。 在模式U中,需要升高中性点电压,在模式D中,需要降低中性点电压,在模式N中,要保持中性点电压。 动力运行再生判定部50判断电动发电机20是处于动力运转状态还是处于再生状态。 在模式U或模式D的情况下,中性点电压控制部分52进行控制以将零相电压指令值加到三相电压指令值中的每一个上,并维持三相电压指令值 在模式N的情况下。
    • 9. 发明专利
    • Motor controller
    • 电机控制器
    • JP2013187933A
    • 2013-09-19
    • JP2012048852
    • 2012-03-06
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所Toyota Motor Corpトヨタ自動車株式会社
    • OTANI HIROKIYAMADA KATASHIGE
    • H02P6/08H02M7/48
    • PROBLEM TO BE SOLVED: To reduce motor loss and inverter loss.SOLUTION: In a motor controller, a voltage command generation circuit 14 for performing switching control of an inverter which supplies electric power to a motor by a PWM signal generates a voltage command for determining voltage and phase in an output of the inverter, on the basis of a torque command on rotation frequency of the motor and motor drive. A pulse number generation part 18, on the basis of the rotation frequency of the motor and the torque command, generates the pulse number of the motor in one electricity cycle under the condition that switching the frequency of the inverter and distortion factor of motor current decrease. A PWM signal generation part 16, on the basis of the voltage command and the pulse number, generates a PWM signal which synchronizes with the voltage command to output the PWM signal to the inverter.
    • 要解决的问题:减少电机损耗和变频器损耗。解决方案:在电动机控制器中,用于通过PWM信号对电动机供电的逆变器进行开关控制的电压指令生成电路14产生用于确定电压的电压指令 基于电动机和电动机驱动的旋转频率上的转矩指令,逆变器的输出中的电压和相位。 基于电动机的转速和转矩指令的脉冲数生成部18,在切换变频器的频率和电动机电流的失真因数降低的情况下,在一个电力循环中生成电动机的脉冲数 。 PWM信号生成部16基于电压指令和脉冲数,生成与电压指令同步的PWM信号,将PWM信号输出到逆变器。
    • 10. 发明专利
    • Current estimation device and dcdc converter control system
    • 电流估算装置和DCDC转换器控制系统
    • JP2011205727A
    • 2011-10-13
    • JP2010067849
    • 2010-03-24
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • OTANI HIROKIYAMADA KATASHIGE
    • H02M3/155
    • PROBLEM TO BE SOLVED: To estimate a current value without directly providing a current sensor in a DCDC converter in a current estimation device used for the DCDC converter.SOLUTION: A current estimation part 50 includes an initial open-circuit voltage setting apparatus 86 for obtaining an initial open-circuit voltage value VL0 for a battery 12, a voltage correction value setting apparatus 86 for obtaining a correction value ΔV to the initial open-circuit voltage value VL0, based on an internal resistance value RB of the battery 12 and an error of a converter input current estimation value IB, an adder 80 for adding the correction value ΔV to the initial open-circuit voltage value VL0 to obtain an open-circuit voltage value V0, and an input current value estimation device 82 for obtaining the converter input current estimation value IB based on the open-circuit voltage value V0 of the battery 12, an output voltage detection value VL of the battery 12, and the internal resistance value RB. The current estimation part 50 outputs the converter input current estimation value IB obtained by the input current estimation device 82.
    • 要解决的问题:在DCDC转换器中使用的当前估计装置中,在DCDC转换器中直接提供电流传感器的情况下估计电流值。解决方案:电流估计部件50包括初始开路电压设定装置86,用于获得 用于电池12的初始开路电压值VL0,基于电池12的内部电阻值RB获得初始开路电压值VL0的校正值ΔV的电压校正值设定装置86和错误 转换器输入电流估计值IB,将校正值ΔV与初始开路电压值VL0相加以获得开路电压值V0的加法器80以及用于获得转换器输入的输入电流值估计装置82 基于电池12的开路电压值V0的电流估计值IB,电池12的输出电压检测值VL和内部电阻值 e RB。 当前估计部分50输出由输入电流估计装置82获得的转换器输入电流估计值IB。